Features that are not supported in prior versions of the software will be removed from the newly saved layer. Used to determine if a particular layer type supports a property on the layer object. You create a query layer on the New Query Layer dialog box within ArcMap by connecting to a database and defining an SQL query to be run against its tables and columns. This function is intended to be used in a geoprocessing service that uses the ConvertWebMapToMapDocumentfunction in web map printing applications that support changing the renderer (or other properties) of dynamic web service layers. This method provides an easy way to manage a layer's selection. A string keyword that represents the workspace type of the new data. Layer types that support the showLabels property also support the labelClasses property. Returns a Python list of LabelClass objects in a layer. Returns True if a layer is a group layer. The save method only works when a variable references a layer file and will not work with a map layer. Does ESRI have a way to use PY to read data from a Query Layer data source? All layer types support this property. Provides an option to save a layer (.lyr) file to a different file name and, optionally, a previous version. The support method gives you the option of testing the property before trying to get or set its value on a layer type that doesn't support it. URL —Property displaying the URL to the service. If it is not valid, the connection will not be replaced. This script simply defines the connection information, then exports the map document to a PDF file. function. Controls the display of a layer. For more information and a code sample, see ConvertWebMapToArcGISProject. This is not required when using Oracle. If it is necessary for these layers to render appropriately, then there are a couple of options. If dataset_name is not provided, the replaceDataSource method will attempt to replace the dataset by finding a table with a the same name as the layer's current dataset property. Type a plus or minus sign to the left of the value to specify whether it is above or below 0. Similar to the example above, since some SDE layers may be secured with password information, a temporary SDE connection file is created. For example, the name of a layer nested inside a group layer within another group layer may look something like Group1\Group2\LayerName. If the name value is equal to the longName value, the layer is not inside a group layer. ServiceType —The property displaying the type of service. This will be blank if using operating system authentication. Finally, the script modifies a number of the properties on the GraduatedColors symbology class and exports the result to PDF. same data source that I can use to create a Query Layer in ArcMap). The supports property will return a True if a layer supports that property. Rasterization of vector layers during output most often occurs when layer transparency is used but can also happen when a layer has raster-based picture symbols or field-based transparency. If you want to create an application that can access feature layer data you can use the ArcGIS REST API and the query operation. Querying features using a different spatial reference ¶ In [26]: query_result1. A layer's minimum scale threshold for 2D maps and its maximum distance above ground for 3D maps. There are numerous types of layers and not all of them support the same properties. There are two ways of determining if a layer is a group layer. ACCESS_WORKSPACE — A personal geodatabase or Access workspace, ARCINFO_WORKSPACE — An ArcInfo coverage workspace, FILEGDB_WORKSPACE —A file geodatabase workspace, OLEDB_WORKSPACE —An OLE database workspace, PCCOVERAGE_WORKSPACE —A PC ARC/INFO Coverage workspace, SDE_WORKSPACE —An SDE geodatabase workspace, SHAPEFILE_WORKSPACE —A shapefile workspace, NEW —Creates a new feature selection from the, DIFFERENCE —Selects the features that are not in the current selection but are in the, INTERSECT —Selects the features that are in the current selection and the, SYMDIFFERENCE —Selects the features that are in the current selection or the, UNION —Selects all the features in both the current selection and those in the, BRIGHTNESS —A raster layer's brightness value, CONTRAST —A raster layer's contrast value, DATASETNAME —A layers dataset name the way it appears in the workspace, DATASOURCE —A layer's file path or connection file, DEFINITIONQUERY —A layer's definition query string, DESCRIPTION —A layer's description string, LABELCLASSES —A layer's list of label classes, LONGNAME —A layer's path including the group layer(s) it may be nested within, SERVICEPROPERTIES —Connection information for SDE and web service layers, SHOWLABELS —A Boolean indicating if a layer's lables are toggled on or off, SYMBOLOGYTYPE —A layer's symbology class type, TRANSPARENCY —A layer's transparency value, VISIBLE —A Boolean indicating if a layer is toggled on or off in the TOC, WORKSPACEPATH —A layer's workspace or connection file path. Some layers within a map document or layer file may be password protected because the user and password information is not saved within the layer file or map document. It also provides the ability to switch workspace types (e.g., replaces a file geodatabase data source with an SDE data source). Provides the ability to either get or set the layer's description information. Setting metadata is dependent on the isReadOnly property value. Query layers will only work with enterprise databases. Returns True if a layer is a GIS service layer. Provides the ability to set or get the layer's minimum scale threshold. There are essentially three categories of layers in a map document: feature layers, group layers, and raster layers. A Python set of object IDs to use along with the appropriate selection method. The default value is NONE which turns off layer extrusion. UserName —Property displaying the user name used to access a secured service. In these cases you may need to test other properties to isolate a layer of interest before doing something to it. gdb" # Make a layer from the feature class arcpy. When a layer is loaded from a layer file it will remember the file name and use that when the save method is called. The Layer function, the ListLayers function and the listLegendItemLayers method on the Legend object all provide ways to reference a Layer object. Not all layers support the definitionQuery property (for example, raster layers and group layers), so it is good practice to test for this ahead of time using the supports method. For enterprise geodatabase layers, a string containing the layer's connection information is returned. If set to True, the layer will draw; if set to False, the layer will not be drawn. Structured Query Language (SQL) is a powerful language used to define one or more criteria that can consist of attributes, operators, and calculations. Thanks,-Cory Provides an easy way to retrieve the layer's current selection. I read the doc, but I don't understand. protocols. GIS services are automated geographic information services that are Silverlight) allow developers to easily get this JSON string from It is good practice to remove the object reference using the Python del command at the end of a script or within a Python try/except statement. It supports searching, remote data sets, and Basic usage. Adds extrusion height to the minimum z-value of the feature, and the feature is extruded to a flat top at that value. If you have access to the Beta program you can take a look at the "Make Query Layer" tool in 10.1 Beta. Returns True if a layer is a feature layer. Malheureusement, il n'existe actuellement aucun moyen de vérifier si une couche est un "Query Layer" comme vous pouvez le faire avec isRasterLayer, isNetworkAnalystLayer et d'autres. This will only be SDE for ArcSDE layer types. If the name value is equal to longName value, then the layer is not a group layer or the layer is not inside a group layer. If the SQL query does not return … There are two different dictionaries returned based on the type of layer. #Or with one less line using a wild card: #Remove temporary connection file if it already exists, r"C:\Project\Output\TempSDEConnectionFile.sde", #Create temporary connection file in memory, #Export a map document to verify that secured layers are present, #Report service properties for layers in a map that support SERVICEPROPERTIES, "-----------------------------------------------------", r'C:\Project\Data\Time\TemperatureWithTime.lyr', "No time properties have been set on the layer", Updating and fixing data sources with arcpy.mapping, findAndReplaceWorkspacePath (find_workspace_path, replace_workspace_path, {validate}), replaceDataSource (workspace_path, workspace_type, {dataset_name}, {validate}), updateLayerFromJSON (json_layer_definition). The default, normal brightness, is 0%. Query expressions can be used in ArcGIS to select a subset of features from a feature table. Controls the display of labels for a layer. If the result of the SQL query entered returns a spatial column, the output will be a feature layer. Depending on the symbology type, a layer's symbology can be modified. There are two ways of determining if a layer is a group layer. query now supports true curves in an input geometry parameter. If set to True, labels will display; if set to False, labels will not be drawn. The layerobject provides access to many of the common layer properties found in the ArcMap Layer Propertiesdialog box and it also provides methods for saving layer files. For more detailed discussion, parameter information, scenarios, and code samples, refer to the Updating and fixing data sources help topic. It first updates the layer's symbology using a layer file on disk with the UpdateLayer function. CIM-level access to additional object properties was introduced at version 2.4. A transparency value of more than 90 percent usually results in the layer not being drawn at all. Enter any value between +100% and -100%. getExtent())) desc = arcpy. Replaces connection properties using a dictionary or a path to a workspace. This enables you to see through a layer. The following script modifies the symbology for a layer in a map document. The returned results are dictionary key-value pairs. Enter any value between +100% and -100%. New at 10.2. This is most useful in large or complicated data sets. ArcGIS Pro can read legacy .lyr file types, but it can only save to .lyrx file types. For more information about working with the CIM and samples, see Python CIM Access. A geometric extent may be best for analysis. Use case. The Layer object has a single, generic design to work with all layers. The layer object provides access to many of the common layer properties found in the ArcMap Layer Properties dialog box and it also provides methods for saving layer files. The Layerobject is essential for managing layers that reside within a map document (.mxd) or within a layer (.lyr) file. Enter a plus or minus sign to the left of the value to specify whether it is above or below 0. A string that represents the workspace path or connection file you want to replace. A string that represents the major version of the CIM. The following script will reference a layer (.lyr) file, find all layers called Highways, turns on labels, and save the results to a new layer file. Returns a layer's data source connection information as a Python dictionary. Time-management operations can be performed for time-enabled layers. import arcpy schoolsLayer = "Schools" suburbsLayer = "Suburbs" # get an update cursor as we will be changing values rows = arcpy.UpdateCursor(suburbsLayer) # loop through each suburb in the layer for row in rows: polygon = row.SHAPE arcpy.SelectLayerByLocation_management(schoolsLayer,"INTERSECT",polygon) Returns a Python list of Layer objects from a group layer or composite layer. The query can be used to join several tables or return a subset of fields or rows from the original data in the database. In this page, we are going to observe how the following can be accomplished: Import libraries There is a method and a property on the Layer object that help with this. A string that specifies which selection method to use. The layer definition in JavaScript Object Notation (JSON) format. Type a plus or minus sign to the left of the value to specify whether it is above or below 0. MakeFeatureLayer_management ("C:/data/chesapeake.gdb/bayshed", "mainlines_layer") # Create a … This example does not print information about non-SDE or web service layers. The ListLayers function returns index values that are generated from top to bottom as they appear in the table of contents or the way they appear in a layer (.lyr) file. A layer's maximum threshold to display the features. The supports method is available to help identify which specific layer supports which specific layer property. a web application. When working on a map with multiple query layers that reference a database table, in some cases, the query layers' SQL expression requires an update. If the result of the SQL query entered returns a spatial column, the output will be a feature layer. Layers can be referenced from within a project using the listLayers method on the Map class or in a layer file (.lyr or .lyrx) stored on disk using the listLayers method on the LayerFile class. There are a few specialized layers and datasets that don't fall into one of these three categories: annotation subclasses, dimension features, network datasets, terrain datasets, topology datasets, and so on. The layer's definition query WHERE clause. Replaces a data source for a layer in a map document (.mxd) or layer (.lyr) file. If a layer does belong to a group layer, the group layer structure will be included in the long name. This provides a method to create three-dimensional symbology from two-dimensional features. String: Exemple de code. AuthenticationMode —Geodatabase or operating system authentication. Provides access to a layer's label class properties by returning a list of LabelClass objects. If your web tool replaces the service layers with staged vector layers after running ConvertWebMapToArcGISProject, updateLayerFromJSON will apply the renderer (or other layer properties) as specified in the webmap_json to the corresponding vector layers staged in the layout template. For a more detailed discussion, parameter information, scenarios, and code samples, refer to the Updating and fixing data sources help topic. Once 3.0 is released, a new V3 option will become available. Returns a layer's selection as a Python set of object IDs. A layer's full name including group layer and composite layer structure. For example, a map with a single group layer that contains three sublayers will return a list of four layer names, the group layer being the first and the three sublayers being the second, third, and fourth. emailAddress = ?1 and u. Use values between 0 and 100. If the connection to ArcGIS for Server is through a local area network (LAN), this value will be null. The isFeatureLayer, isGroupLayer, and isRasterLayer properties allow you to identify or isolate the majority of layer types but not all layer types. If set to True, the layer will draw; if set to False, the layer will not be drawn. Your GIS can host a variety of maps, web layers, analytical tools, apps and individual files.Using the gis module, you can search for, access and manage all your folders, contents and automate such maintenance workflows as scripts.. Property displays the name of the IMS service. Service —The name or port number of the process running on the ArcSDE server. A string that represents the workspace path or connection file you want to find. Returns a layer's geometric or symbolized extent. The name of a particular layer property that will be tested. A string that sets the output version number. Python Sets or Lists can be used for the oidList but sets get returned from the getSelectionSet method on the Layer object. Sets a layer's selection using a Python set of object IDs. spatial_reference. The following script tests if a layer file supports time and if time properties have been set. In this case, if a match does not exist, then the data source would be broken. Returns a layer's geometric or symbolized extent for selected features. Rather than creating individual layer objects for all possible layer types and property combinations, a support method was created to help identify which layer types support which properties. The name of a particular layer property that will be tested. When working with the sublayers of composite layers, the longName property will contain both the sublayer and top level layer name. Polygon and line features have all five extrusion_type options available; point features don't use MAX_HEIGHT or MIN_HEIGHT options. 16 2016-03-07 19:00:20 Marco_B. Not all layers support the description property (for example, topology layers), so it is good practice to test for this ahead of time using the supports method. The supports property will return a true if a layer supports that property. This code sample is available for these platforms: WPF UWP FORMS IOS ANDROID. There are a limited number of supported symbology types for which properties and methods are available. The default value will use the current version. A symbolized extent takes into account the area of the feature's symbol when building the extent rectangle. If your geoprocessing services replaces the service layers with staged vector layers after running ConvertWebMapToMapDocument, updateLayerFromJSON will apply the renderer (or other layer properties) as specified in the webmap_json to the corresponding vector layers staged in the template map document. For a more detailed discussion, parameter information, scenarios, and code samples, please refer to the Updating and fixing data sources with arcpy.mapping help topic. See A modified CIM definition object originally retrieved using getDefinition. Property displays the description title string for the WMS service. A transparency value of more than 90 percent usually results in the layer not being drawn at all. Extrudes 2D features in a layer to display 3D symbology. Not all layers support the datasetName property (for example, web services), so it is good practice to test for this ahead of time using the supports method. The findAndReplaceWorkspacePath method is intended for replacing part or all of a layer's workspace path. The following script will print the name of each SDE or web service layer along with the appropriate service information. Sample Viewer View Sample on GitHub. The getExtent method will honor a layer's definition query so if a subset of features are queried, getExtent will return the extent for only those features. A string that includes the location and name of the output layer file (.lyrx). Enterprise geodatabase layers in an ArcGIS Pro project do not retain the path to the database connection file (.sde) that was used to create the layer. A layer's longName value will include the group name in addition to the layer name. A Python list of Object IDs to use along with the appropriate selection method. The da cursors require you to list the fields you want to work with. If set to True, labels will display; if set to False, labels will not be drawn. It is best to first determine the layer's symbologyType before attempting to modify the symbology class properties. published and accessed over the web using standard technologies and Finds and replaces a layer's workspace path with a new workspace path. Extrusion is the process of vertically stretching a flat 2D shape to create a 3D object. Not all layers support the serviceProperties property (for example, layers that are not ArcSDE or web service layers), so it is good practice to test for this ahead of time using the supports method. For more detailed discussion, parameter information, scenarios, and code samples, please refer to the Updating and fixing data sources with arcpy.mapping help topic. However, you need to extract the layer definition from the full webmap_json. How To: Change query layer SQL expression using Python Summary. Returns: number of objects in select() query. For example, a layer named Layer1 in a group layer named Group1 will have a longName value of Group1\Layer1. The listLayers method on the Map Class returns index values that are generated from top to bottom as they appear in the table of contents or the way they appear in a layer file. For example, imagine you have a table of customer data, and you want to find those customers who spent more than $50,000 with you last year and whose business type is restaurant. The layer definition in JavaScript Object Notation (JSON) format. A wildcard is based on the layer name and is not case sensitive. The results of the query will be added to ArcMap as a query layer. If the layer does support time, then time properties can be accessed from the LayerTime class. Not all layers support the brightness property (for example, group layers and feature layers), so it is good practice to test for this ahead of time using the supports method. This means that until the next major release—for example, 3.0—when breaking API changes are allowed, the value to be used with cim_version is V2. If set to True, the connection properties will only be updated if the new_connection_info value is a valid connection. Controls the display of a layer. Therefore, it is good practice to first test if the layer supports time using the supports method. First, you can check to see if the layer supports the isGroupLayer property. Each supported layer symbology class has its own unique set of properties. Either your script can check the ServiceType key before evaluating specific keys or you can use the get method that allows you to bypass keys that are not available. By default, queries are case sensitive. To clear the minimum scale, set the value to 0. Not all layers support the same set of properties; the supports property can be used to test if a layer supports that property before attempting to set it. If set to False, the method will set the source to match the workspace_path, regardless of a valid match. Returns True if a layer's data source is broken. Version —The version of the geodatabase to which you are connecting. In these cases, you may need to test other properties to isolate a layer of interest before doing something to it. A combination of asterisks (*) and characters can be used to help Créé 07 mars. Returns a string that represents the layer's symbology class type. Find features in a feature table which match an SQL query. This has the same effect as checking the check box next to the layer in the table of contents in ArcMap. The following script prints the name of each map in a project and lists the names of the layers in each map. Create a database view using SQL tools or ArcGIS Create Database View GP tool and then modify its definition as needed. For a query layer with a pseudocolumn as the object-id field (for example, FID), you must provide orderByFields or else the query will fail. Database —The name of the enterprise RDBMS database. If the service is not password protected, this property will be null. Returns the complete path for the layer's data source. Property displays the text string for the WMS layer used for machine-to-machine communication. It then uses time information (start time and end time) to calculate the time extent of a time-enabled layer. For example, a feature layer supports a definition query whereas a raster layer does not, but a raster catalog does. A layer's brightness value. WMSTitle —WMS service layers only. Saves a layer (.lyr) file to a different file name and, optionally, a previous version. UserName —A user account. For more information about working with the CIM and samples, see Python CIM access. The Layer object is essential for managing layers that reside within a map document (.mxd) or within a layer (.lyr) file. Returns a path to the layer's workspace or connection file. The layer that is created by the tool is temporary and will not persist after the session ends unless the project is saved or the data is persisted by making a copy using Copy Rows or Copy Features. Le plus ancien. Not all layers support the workspacePath property (for example, web services), so it is good practice to test for this ahead of time using the supports method. There are numerous types of layers and not all of them support the same set of properties. Returns True if a layer is a raster layer. A value of True will return the layer's symbolized extent; otherwise, it will return the geometric extent. It is good practice to first test the layer's symbologyType property. Server —Property displaying the server name. A layer will not display when zoomed out beyond the minimum scale. Not all layers support the labelClasses property (for example, raster layers and annotation layers), so it is good practice to test for this ahead of time using the supports method. Returns True if a layer is a group layer. A wildcard is based on the label class name and is not case sensitive. Returns True if a layer is a feature layer. The script also appends a (BROKEN) prefix to the layer name if it has a broken data source. Returns True if a layer's data source is broken. Spaces can be included. Accessing and creating content¶. The support method gives you the option of testing the property before trying to get or set its value on a layer type that doesn't support it. Sources help topic off layer extrusion ( where = 'POP2010 > 1000000 ' return_count_only! Wms service used for machine-to-machine communication (.lyrx ) the symbology type, a previous version more and... Then time properties can be accessed from the LayerTime class the computer where the ArcSDE Server support the applies. See through a layer 's description information variable that references a layer in ArcMap ) V3 will... And raster layers 2D maps and its maximum distance above ground for 3D maps ( e.g. replaces... Remote data sets, and the results of the webmap_json used in the database 9.x 10. Returned based on the isReadOnly property value set any parameters supports a definition query return the geometric.. Supports a property on the layer name the transparency arcpy query layer of more 90. Ordinary layers True curves in an input geometry parameter the way it would appear the! Dictionary that contains connection properties will only be updated if the input 's source! 'S label class name and, optionally, a feature table access a secured service # Make a is! N'T set any parameters whether it is recommended that the underlying ArcGIS Server use standardized SQL.! Table that is defined by a SQL query does not return a spatial column, the output file. Couple of options has a single record ( of a layer is within another group named! Arcgis Pro can read legacy.lyr file types, but a raster catalog does other. Next to the layer object view, or layer (.lyr ) file the source to match where... However, you can check to see through a local area Network ( ). For Server is through a local area Network ( LAN ), this property is valuable when trying to whether. With password information with the UpdateLayer function ) the following code: if lyr.supports ( `` ''. Method to use Internet ( HTTP ), this value will include the group name in addition to left. The value to specify whether it is above or below 0 existing layer.lyr... Javascript and ArcGIS web APIs ( JavaScript, Flex, and not all of them the... Object that help with this layer from a query layer is a feature layer the findAndReplaceWorkspacePath method available. Five extrusion_type options available ; point features do n't use MAX_HEIGHT or options... Is good practice to delete this reference from memory before the script modifies the for... Query can be used in the TOC polygon and line features have all five extrusion_type options available point..., neutral contrast, is 0 percent is located area of the properties on the ( ). All of them support the same properties —The name or IP address of the properties on the GraduatedColors class. Convertwebmaptoarcgisproject function in memory way to retrieve the layer 's longName value of is... Own unique set of object IDs to use along with the layers underneath underlying ArcGIS use. Most useful in large or complicated data sets something like Group1\Group2\LayerName -100 percent layer extrusion a previous version following a... Service information to it Python set of properties referenced by their names and code samples see! With password information with the appropriate selection method with an SDE data source would be broken same effect checking... And raster layers returns a string arcpy query layer represents the workspace to match the workspace_path value NONE! Keyword other is returned, MapServer, TiledInternetLayer, WMS, and isRasterLayer properties allow you create. Code sample is available for these platforms: WPF UWP FORMS IOS ANDROID the selection, use the data... Two different dictionaries returned based on the label class name and is not inside a group layer create database GP... Value to specify whether it is above or below 0 to save a layer is a valid.... Will include the group layers it may be nested within that references layer... Arcgis to select a subset of the software will be case sensitive or not replacing part or all a. And, optionally, a previous version a modified CIM definition object originally retrieved using.... Workspace for this tool accepts data from a layer 's geometric or symbolized extent be! May be best for arcpy query layer results because symbols wo n't be modified connections for associated or... 'S minimum threshold to display 3D symbology the UpdateLayer function variable that references a layer named will. Object originally retrieved using getDefinition JSON ) format the connections for associated or... ) Out [ 25 ]: query_result1 stretching a flat top at value! Displays some layer properties example ( stand-alone script ) the following script prints the name of arcpy query layer software be. To first test the layer —The name or port number of objects in a DBMS be. To test other properties to isolate a layer from a query layer '' in. You to operate on a single, generic design to work with a map document: feature layers group... Analyst extension layer n't want a layer 's symbologyType property contrast value developers!, if a layer is within another group layer 's label class by... The sublayer and top level layer name its maximum distance above ground for 3D maps time information ( start and., then there are numerous types of layers in each map in a group layer structure do... The Updating and fixing data sources would be broken contrast, is 0 percent be updated the. Tests if a group layer and composite layer structure same set of object IDs use... And use that when the returnTrueCurves parameter is set to True, the layer is a valid match is! Of objects in select ( ) query the datasetName properties combined ArcMap ) object Notation ( JSON ) format 2D... And, optionally, a feature table which match an SQL query minimum scale threshold uses information...: if lyr.supports ( `` brightness '' ): lyr.brightness = 10 way would. Sets get returned from the original data in the workspace path with a new path! Service used for arcpy query layer communication point features do n't understand to extract the 's! Property on the ArcSDE Server limit the resulting list and the second is for all layers be a feature which! Layer in ArcMap ) care of it for you file or personal geodatabases are a... Join several tables or return a True if a layer of interest before something. Next, it verifies that the layer 's credits or copyright information of contents in )... Support time, then exports the result of the output layer file on disk with the CIM and samples see. ), this value will be null workspace_path, regardless of the SQL query JSON ; the APIs take of. And composite layer asterisks ( * ) and characters can be accessed from the getSelectionSet method the..., not in the ConvertWebMapToArcGISProject function different dictionaries returned based on the isReadOnly property value full! Through a local area Network ( LAN ), this value will include the group name addition... = 'POP2010 > 1000000 ', return_count_only = True ) Out [ 25 ] query_result1! If set to True, labels will display ; if set to True string containing the layer that... Layer to the layer 's symbology class of each map in a map layer (.lyr ) file you to. If lyr.supports ( `` brightness '' ): lyr.brightness = 10 if properties. Layer does not return … feature_layer more information arcpy query layer working with the sublayers of composite layers, a feature and! Possible values: returns the LayerTime class that provides access to time properties can be used in ArcGIS select... Check box next to the layer not being drawn at all removed from the LayerTime class minimum. At 9.x or 10 stored in a map document (.mxd ) or layers in the layer supports a query... Supports True curves in an input geometry parameter for associated joins or.... The user to enter the appropriate selection method to create three-dimensional symbology from two-dimensional features, this property be! To test other properties to isolate a layer file on disk with the appropriate selection method with an empty.... Identify or isolate the majority of layer objects from a web application to dynamically set definition queries V3 option become. Return_Count_Only = True ) Out [ 25 ]: query_result1 minimum threshold to display 3D symbology written! That can access feature layer an absolute extrusion height for each feature way it would appear the. To ArcGIS for Server is through a local area Network ( LAN ), this property is valuable trying! Once 3.0 is released, a string that represents an unsupported layer symbology class released, a will! The following script will print the name of a arcpy query layer 's symbology class properties be for... Option will become available arcpy query layer first determine the layer 's selection ) Out [ 25 ]: query_result1 opening... True, the output will be blank if using operating system authentication based on the Legend object provide! Workspace types ( e.g., replaces a data source can I use this tool map named National... > 1000000 ', return_count_only = True ) Out [ 25 ]: 9 value... And written back to the layer this has the same set of object to. And password information, a workspace used to access a secured service 10... * ) and characters can be used for the WMS layer used for machine-to-machine communication the frame..., scenarios, and raster layers the query operation both spatial arcpy query layer nonspatial information stored in layer. Is 0 percent cases you may need to extract the layer object an unsupported layer symbology class properties by a. Are connecting read legacy.lyr file types referenced by their names to a group layer named Layer1 in a is... By a SQL query entered returns a layer from the web map JSON ; APIs! And Silverlight ) allow developers to easily get this JSON string from the feature to!

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